rux/src/packagemanager.rs
2017-10-27 17:43:26 -05:00

149 lines
5.5 KiB
Rust

use std::path::{PathBuf, Path};
use std::io::BufReader;
use std::io::prelude::*;
use std::fs::{self, File};
use std::env;
use super::std;
/// Creates a `PackageManager` struct to hold in the needed data
/// to run our commands.
#[derive(Debug, Clone, Default)]
pub struct PackageManager<'a> {
pub name: &'a str,
pub search: Option<Vec<&'a str>>,
pub install: Option<Vec<&'a str>>,
pub uninstall: Option<Vec<&'a str>>,
pub sup: Option<Vec<&'a str>>,
pub purge: Option<Vec<&'a str>>,
pub update: Option<Vec<&'a str>>,
pub upgrade: Option<Vec<&'a str>>,
pub cache_clear: Option<Vec<&'a str>>,
pub complete_cache_clear: Option<Vec<&'a str>>,
pub exe: PathBuf,
}
/// This holds the various implementations of `PackageManagers` so far.
impl<'a> PackageManager<'a> {
pub fn pacmatic() -> PackageManager<'a> {
PackageManager {
name: "pacmatic",
search: Some(vec!["pacmatic", "-Ss"]),
install: Some(vec!["pacmatic", "-S"]),
uninstall: Some(vec!["pacmatic", "-R"]),
sup: Some(vec!["pacmatic", "-Syu"]),
purge: Some(vec!["pacmatic", "-Rdns"]),
upgrade: Some(vec!["pacmatic", "-Su"]),
update: Some(vec!["pacmatic", "-Sy"]),
cache_clear: Some(vec!["pacmatic", "-Sc"]),
complete_cache_clear: Some(vec!["pacmatic", "-Scc"]),
exe: PathBuf::from("/bin/pacmatic"),
}
}
pub fn pacman() -> PackageManager<'a> {
PackageManager {
name: "pacman",
search: Some(vec!["pacman", "-Ss"]),
install: Some(vec!["pacman", "-S"]),
uninstall: Some(vec!["pacman", "-R"]),
sup: Some(vec!["pacman", "-Syu"]),
purge: Some(vec!["pacman", "-Rdns"]),
upgrade: Some(vec!["pacman", "-Su"]),
update: Some(vec!["pacman", "-Sy"]),
cache_clear: Some(vec!["pacman", "-Sc"]),
complete_cache_clear: Some(vec!["pacman", "-Scc"]),
exe: PathBuf::from("/bin/pacman"),
}
}
pub fn apt() -> PackageManager<'a> {
PackageManager {
name: "apt",
search: Some(vec!["apt", "search"]),
install: Some(vec!["apt", "install"]),
uninstall:Some(vec!["apt", "remove"]),
sup: Some(vec!["apt", "update", "upgrade"]),
purge: Some(vec!["apt", "purge"]),
upgrade: Some(vec!["apt", "upgrade"]),
update: Some(vec!["apt", "update"]),
cache_clear: Some(vec!["apt", "clean"]),
complete_cache_clear: Some(vec!["apt-get", "autoclean"]),
exe: PathBuf::from("/usr/bin/apt"),
}
}
pub fn xbps() -> PackageManager<'a> {
PackageManager {
name: "xbps",
search: Some(vec!["xbps-query", "-Rs"]),
install: Some(vec!["xbps-install", "-S"]),
uninstall: Some(vec!["xbps-remove"]),
sup: Some(vec!["xbps-install", "-Su"]),
purge: Some(vec!["xbps-remove", "-R"]),
upgrade: Some(vec!["xbps-install", "-Su"]),
update: Some(vec!["xbps-install"]),
cache_clear: Some(vec!["xbps-remove", "-0"]),
complete_cache_clear: Some(vec!["xbps-remove", "-0"]),
exe: PathBuf::from("bin/xbps-install"),
}
}
// Allows setting the default `rux.conf` in folder `.config/rux/` in the
// user's home directory. Will ask once per user, including sudo.
pub fn set_default(&self) -> std::io::Result<()> {
let mut conf = match env::home_dir() {
Some(path) => path,
None => {
println!("Could not find home! Default cannot set properly!");
std::process::exit(1)
}
};
conf.push(".config/rux/");
fs::create_dir_all(&conf).unwrap_or_else(|why| {
println!("! {:?}", why.kind());
});
conf.push("rux.conf");
let mut file = File::create(conf)?;
file.write_all(self.name.as_bytes())?;
Ok(())
}
pub fn all() -> Vec<PackageManager<'a>> {
let pacmatic = PackageManager::pacmatic();
let pacman = PackageManager::pacman();
let aptget = PackageManager::apt();
let xbps = PackageManager::xbps();
vec![pacmatic, pacman, aptget, xbps]
}
}
/// Reads from default.conf and returns the appropriate `PackageManager`
/// Pulls the first line out of the default.conf and loads that.
/// If it doesn't recognize the file it will tell the user that there's an
/// issue before exiting.
pub fn read_default<'a, P: AsRef<Path>>(ruxconf: P) -> Result<PackageManager<'a>, std::io::Error> {
/*
let mut home = env::home_dir().unwrap_or_else(|| {
eprintln!("Cannot load file, home directory cannot be found");
std::process::exit(1)
});
home.push(".config/rux/rux.conf");
*/
let file = File::open(&ruxconf)?;
let buffered = BufReader::new(file);
for line in buffered.lines() {
match &*line.unwrap() {
"pacmatic" => return Ok(PackageManager::pacmatic()),
"pacman" => return Ok(PackageManager::pacman()),
"apt" => return Ok(PackageManager::apt()),
"xbps" => return Ok(PackageManager::xbps()),
_ => {
eprintln!("Default either not set or has been changed");
std::fs::remove_file(ruxconf).unwrap_or_else(|err| {
eprintln!("Failed to delete: {:?}", err);
});
std::process::exit(1)
}
}
}
Ok(PackageManager::default())
}